EP0240289B1 - Method of and apparatus for removing tying band - Google Patents

Method of and apparatus for removing tying band Download PDF

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Publication number
EP0240289B1
EP0240289B1 EP19870302744 EP87302744A EP0240289B1 EP 0240289 B1 EP0240289 B1 EP 0240289B1 EP 19870302744 EP19870302744 EP 19870302744 EP 87302744 A EP87302744 A EP 87302744A EP 0240289 B1 EP0240289 B1 EP 0240289B1
Authority
EP
European Patent Office
Prior art keywords
tying band
package
guide roll
guide plate
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19870302744
Other languages
German (de)
French (fr)
Other versions
EP0240289A3 (en
EP0240289A2 (en
Inventor
Kunihiko Ohya
Tohru Honma
Sohitirou Katsura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kirin Brewery Co Ltd
Hokkaican Co Ltd
Original Assignee
Kirin Brewery Co Ltd
Hokkaican Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kirin Brewery Co Ltd, Hokkaican Co Ltd filed Critical Kirin Brewery Co Ltd
Publication of EP0240289A2 publication Critical patent/EP0240289A2/en
Publication of EP0240289A3 publication Critical patent/EP0240289A3/en
Application granted granted Critical
Publication of EP0240289B1 publication Critical patent/EP0240289B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00Unpacking of articles or materials, not otherwise provided for
    • B65B69/0025Removing or cutting binding material, e.g. straps or bands
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00Cutting
    • Y10S83/909Cutting strand extending from or lying on strand or package support
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00Cutting
    • Y10S83/924Work wrapped or coated around a core, not part of the machine
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49815Disassembling
    • Y10T29/49821Disassembling by altering or destroying work part or connector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/51Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5136Separate tool stations for selective or successive operation on work
    • Y10T29/5137Separate tool stations for selective or successive operation on work including assembling or disassembling station
    • Y10T29/5139Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to sever work prior to disassembling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/51Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5176Plural diverse manufacturing apparatus including means for metal shaping or assembling including machining means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/202With product handling means
    • Y10T83/2092Means to move, guide, or permit free fall or flight of product
    • Y10T83/2179Including means to move, or resist movement of, cut pieces along delivery chute
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/202With product handling means
    • Y10T83/2092Means to move, guide, or permit free fall or flight of product
    • Y10T83/2196Roller[s]

Definitions

  • the present invention relates to a method of and an apparatus for removing a tying band or string from a package composed of articles supported on plates stacked as layers.
  • Tying bands or strings for bundling a package of articles are mechanically strong because they are required to tie the articles firmly together in order to prevent the tied articles from being displaced from each other.
  • the tying bands bundle the package securely at a plurality of positions.
  • Another object of the present invention is to provide a method of and an apparatus for severing tying bands or strings on a package without damaging the package and efficiently removing the cut-off bands or strings from the package.
  • Such method and apparatus are known from EP-A-195471 which constitutes prior art falling under article 54(3)EPC.
  • a method of removing an endless tying band from a package comprising the consecutive steps of displacing a portion of the tying band from the package thus defining a space between the portion of the tying band and the package, inserting a guide plate into the space, pressing the tying band against the guide plate with a guide roll to grip the tying band between the guide plate and the guide roll, severing the tying band which has been gripped between the guide plate and the guide roll, and rotating the guide roll to deliver an end of the severed tying band which is gripped between the guide plate and the guide roll for thereby removing the severed tying band from the package.
  • an apparatus for removing an endless tying band from a package comprising pulling means for inserting a pulling member between the tying band and the package to displace a portion of the tying band from the package thus defining a space between the portion of the tying band and the package, guide plate means for inserting a guide plate into the space, guide roll means for pressing the tying band against the guide plate with a guide roll to grip the tying band between the guide plate and the guide roll, severing means moved separately from the guide roll means for severing the tying band near a position in which it has been gripped between the guide plate and the guide roll, and guide roll rotating means for rotating the guide roll to deliver an end of the severed tying band.
  • FIG. 1 is a plan view of an apparatus according to the present invention
  • FIG. 2 is a side elevational view of the apparatus
  • FIG. 3 is a front elevational view of the apparatus
  • FIG. 4 is a cross-sectional view taken along line IV - IV of FIG. 3
  • FIGS. 5(A) through 5(H) are views showing an operation sequence of the apparatus.
  • an apparatus for removing tying bands or strings includes a base 1 supporting thereon a first slide table 4 guided on a pair of first parallel guide bars 2 mounted on the base 1, the first slide table 4 being coupled to a first longitudinal fluid cylinder 3 on the base 1 for back-and-forth movement.
  • a second slide table 7 (FIGS. 1 and 3) is guided on a pair of second parallel guide bars 5 mounted on the base 1 alongside of the first slide table 4 and is coupled to a second longitudinal fluid cylinder 6 on the base 1 for back-and-forth movement.
  • An upper support plate 8 is supported on the first slide table 4 by support rods 4a, 4b, 4c.
  • a third slide table 11 is guided on a pair of third parallel guide bars 9 mounted on the upper support plate 8 and is coupled to a third longitudinal fluid cylinder 10 on the support plate 8.
  • a lower support plate 12 is supported between the first slide table 4 and the upper support plate 8.
  • a fourth slide table 15 is guided on a pair of fourth parallel guide bars 13 mounted on the lower support plate 12 and is coupled to a fourth longitudinal fluid cylinder 14 for back-and-forth movement.
  • a pusher 16 is supported by the first slide table 4 and positioned alongside therof, the pusher 16 being resiliently biased by a spring 16a so as to keep a package A a certain distance from the apparatus.
  • a pulling device 17 is mounted on the third slide table 11 and has a pulling plate 19 attached to a first transverse fluid cylinder 18 disposed on the third slide table 11 and extending perpendicularly to the direction in which the third slide table 11 is movable.
  • the pulling plate 19 is in the form of an elongate narrow plate having a distal end 19a bent off the longitudinal direction thereof.
  • the pulling plate 19 is attached to an attachment bracket 19b (FIG. 2) so that the amount of projection of the pulling plate 19 is adjustable with respect to the cylinder 18.
  • the pulling plate 19 approaches the package A until it reaches a position spaced a certain distance from an outer surface of the package A. Then, the third slide table 11 is moved forward to bring the pulling plate 19 into engagement with the package A. Thereafter, the first transverse fluid cylinder 18 is operated to move the pulling plate 19 along the outer surface of the package A to a position (indicated by the imaginary lines in FIG. 1) above a guide roll 21 (described later), in which the pulling plate 19 is inserted between a tying band B and the package A. Then, the third slide table 11 is moved backwards to displace the tying band B away from the package A, defining a space between the package A and the typing band B.
  • a guide roll device 20 has the guide roll 21 which is mounted on the second slide table 7 and rotatable by a guide roll rotating unit 22.
  • a guide plate device 23 has a guide plate 24 transversely movable by a second transverse fluid cylinder 25 mounted on the fourth slide table 15 and extending perpendicularly to the direction of movement of the fourth slide plate 15.
  • the guide plate 24 is moved toward the package A until the guide plate 24 is spaced a certain distance from the package A.
  • the fourth slide table 15 is moved forward to move the guide plate 24 into engagement with the package A.
  • the second transverse fluid cylinder 25 is actuated to move the guide plate 24 along the package A into a position confronting the guide roll 21, as indicated by the imaginary lines in FIGS. 2 and 4, whereupon the guide plate 24 is inserted in the space which has been defined between the package A and the tying band B by the pulling plate 19.
  • the guide roll 21 Upon forward movement of the second slide table 7, the guide roll 21 is moved forward into pressing engagement with the guide plate 24 that has been moved behind the tying band B in confronting relation to the guide roll 21. The guide roll 21 and the guide plate 24 now grip the tying band B therebetween.
  • a cutting device 26 is disposed directly above the guide roll 21 on the second slide table 7.
  • the cutting device 26 has a heated cutter blade 28 for cutting off the tying band B gripped between the guide roll 21 and the guide plate 24, the heated cutter blade 28 being attached to a fourth longitudinal fluid cylinder 27.
  • a chute 29 has a slot 30 (FIG. 3) into and out of which the heated cutter blade 28 is movable.
  • the chute 29 has a slot 31 opening toward the position where the tying band B can be cut off.
  • the chute 29 also has a discharge passage 32 for discharging the tying band B as cut off.
  • the chute 29 also has a pair of delivery rolls 33, 34 for forcibly discharging the severed tying band B through the discharge passage 32.
  • FIGS. 5(A) through 5(D) show the apparatus as viewed from above the package A
  • FIGS. 5(E) through 5(H) show the apparatus as viewed from one side of the package A.
  • the package A is bundled by two endless tying bands or strings B extending around the package A and having portions extending vertically under tension over one side facing the apparatus.
  • the apparatus is positioned such that the chute 29 faces one of the tying bands which is to be cut off. Then, the first slide table 4 (not shown in FIGS. 5(E) through 5(H)) is moved forward by the first longitudinal fluid cylinder 3 until the pusher l6 engages the package A, and then the first slide table 14 is stopped, as shown in FIG. 5(A). The pulling plate 19 is moved forward into engagement with the package A by the third longitudinal fluid cylinder 10, and is then stopped, as shown in FIG. 5(B). Then, the pulling plate 19 is inserted into a position behind the tying band B by forward movement of the first transverse fluid cylinder 18, as shown in FIG. 5(C).
  • the third longitudinal fluid cylinder 10 is then operated to retract the pulling plate 19 for thereby pulling the tying band B away from the package A, leaving a space between the package A and the pulled tying band B, as shown in FIG. 5(D).
  • the fourth longitudinal fluid cylinder l4 is operated to move forward the guide plate 24, and then the second transverse fluid cylinder 25 is moved forward to insert the guide plate 24 into the space behind the tying band B, as shown in FIG. 5(E).
  • the guide roll 21 is pushed by forward movement of the second slide table 7 to press the tying band B against the guide plate 24, so that the tying band B is gripped between the guide roll 21 and the guide plate 24.
  • the slot 31 of the chute 29 is positioned near the gripped portion of the tying band B.
  • the cutting blade 28 is moved forward by the fifth longitudinal fluid cylinder 27 to cut off the gripped tying band B, as illustrated in FIG. 5(G).
  • the guide roll 21 is rotated in a direction toward the slot 31 to feed the tying band B as it is gripped by the guide roll 21 and the guide plate 24, into the chute 29, whereupon the tying band B is discharged by the delivery rolls 33, 34 through the discharge passage 32.
  • the tying band B Since the tying band B is cut off by the cutting blade 28 while the tying band B is spaced from the package A, there is no danger of damaging the package A at the time of severing the tying band B.
  • the tying band B can be discharged by the guide roll 21 and the delivery rolls 33, 34 immediately after it is severed. Therefore, by positioning the apparatus alongside of a tying band to be cut off and removed from a package and operating the apparatus, the tying band can automatically be cut off and removed in consecutive steps. Accordingly, a tying band can be severed and removed efficiently from a package.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Description

  • The present invention relates to a method of and an apparatus for removing a tying band or string from a package composed of articles supported on plates stacked as layers.
  • Tying bands or strings for bundling a package of articles are mechanically strong because they are required to tie the articles firmly together in order to prevent the tied articles from being displaced from each other. Generally, the tying bands bundle the package securely at a plurality of positions. When unpacking the articles, it has been customary practice to remove the tying bands off the articles only by severing the tying bands. However, the conventional unpacking procedure has been laborious, and time-consuming.
  • In view of the aforesaid drawbacks of the conventional unpacking process, it is an object of the present invention to provide a method of and an apparatus for severing and removing tying, bands or strings efficiently in a consecutive manner.
  • Another object of the present invention is to provide a method of and an apparatus for severing tying bands or strings on a package without damaging the package and efficiently removing the cut-off bands or strings from the package. Such method and apparatus are known from EP-A-195471 which constitutes prior art falling under article 54(3)EPC.
  • According to the present invention, there is provided a method of removing an endless tying band from a package, comprising the consecutive steps of displacing a portion of the tying band from the package thus defining a space between the portion of the tying band and the package, inserting a guide plate into the space, pressing the tying band against the guide plate with a guide roll to grip the tying band between the guide plate and the guide roll, severing the tying band which has been gripped between the guide plate and the guide roll, and rotating the guide roll to deliver an end of the severed tying band which is gripped between the guide plate and the guide roll for thereby removing the severed tying band from the package.
  • According to the present invention, there is also provided an apparatus for removing an endless tying band from a package, comprising pulling means for inserting a pulling member between the tying band and the package to displace a portion of the tying band from the package thus defining a space between the portion of the tying band and the package, guide plate means for inserting a guide plate into the space, guide roll means for pressing the tying band against the guide plate with a guide roll to grip the tying band between the guide plate and the guide roll, severing means moved separately from the guide roll means for severing the tying band near a position in which it has been gripped between the guide plate and the guide roll, and guide roll rotating means for rotating the guide roll to deliver an end of the severed tying band.
  • The above and other objects, features and advantages of the present invention will become more apparent from the following description when taken in conjunction with the accompanying drawings in which a preferred embodiment of the present invention is shown by way of illustrative example.
  • FIG. 1 is a plan view of an apparatus according to the present invention;
          FIG. 2 is a side elevational view of the apparatus;
          FIG. 3 is a front elevational view of the apparatus;
          FIG. 4 is a cross-sectional view taken along line IV - IV of FIG. 3; and
          FIGS. 5(A) through 5(H) are views showing an operation sequence of the apparatus.
  • As shown in FIGS. 1 through 3, an apparatus for removing tying bands or strings according to the present invention includes a base 1 supporting thereon a first slide table 4 guided on a pair of first parallel guide bars 2 mounted on the base 1, the first slide table 4 being coupled to a first longitudinal fluid cylinder 3 on the base 1 for back-and-forth movement. A second slide table 7 (FIGS. 1 and 3) is guided on a pair of second parallel guide bars 5 mounted on the base 1 alongside of the first slide table 4 and is coupled to a second longitudinal fluid cylinder 6 on the base 1 for back-and-forth movement. An upper support plate 8 is supported on the first slide table 4 by support rods 4a, 4b, 4c. A third slide table 11 is guided on a pair of third parallel guide bars 9 mounted on the upper support plate 8 and is coupled to a third longitudinal fluid cylinder 10 on the support plate 8. As illustrated in FIGS. 3 and 4, a lower support plate 12 is supported between the first slide table 4 and the upper support plate 8. A fourth slide table 15 is guided on a pair of fourth parallel guide bars 13 mounted on the lower support plate 12 and is coupled to a fourth longitudinal fluid cylinder 14 for back-and-forth movement. A pusher 16 is supported by the first slide table 4 and positioned alongside therof, the pusher 16 being resiliently biased by a spring 16a so as to keep a package A a certain distance from the apparatus.
  • A pulling device 17 is mounted on the third slide table 11 and has a pulling plate 19 attached to a first transverse fluid cylinder 18 disposed on the third slide table 11 and extending perpendicularly to the direction in which the third slide table 11 is movable. As shown in FIGS. 1 and 3, the pulling plate 19 is in the form of an elongate narrow plate having a distal end 19a bent off the longitudinal direction thereof. The pulling plate 19 is attached to an attachment bracket 19b (FIG. 2) so that the amount of projection of the pulling plate 19 is adjustable with respect to the cylinder 18.
  • When the first slide table 4 is moved forward, i.e., toward the package A, the pulling plate 19 approaches the package A until it reaches a position spaced a certain distance from an outer surface of the package A. Then, the third slide table 11 is moved forward to bring the pulling plate 19 into engagement with the package A. Thereafter, the first transverse fluid cylinder 18 is operated to move the pulling plate 19 along the outer surface of the package A to a position (indicated by the imaginary lines in FIG. 1) above a guide roll 21 (described later), in which the pulling plate 19 is inserted between a tying band B and the package A. Then, the third slide table 11 is moved backwards to displace the tying band B away from the package A, defining a space between the package A and the typing band B.
  • A guide roll device 20 has the guide roll 21 which is mounted on the second slide table 7 and rotatable by a guide roll rotating unit 22.
  • As shown in FIGS. 2, 3, and particularly 4, a guide plate device 23 has a guide plate 24 transversely movable by a second transverse fluid cylinder 25 mounted on the fourth slide table 15 and extending perpendicularly to the direction of movement of the fourth slide plate 15. When the first slide table 4 is moved forward, the guide plate 24 is moved toward the package A until the guide plate 24 is spaced a certain distance from the package A. Then, the fourth slide table 15 is moved forward to move the guide plate 24 into engagement with the package A. Thereafter, the second transverse fluid cylinder 25 is actuated to move the guide plate 24 along the package A into a position confronting the guide roll 21, as indicated by the imaginary lines in FIGS. 2 and 4, whereupon the guide plate 24 is inserted in the space which has been defined between the package A and the tying band B by the pulling plate 19.
  • Upon forward movement of the second slide table 7, the guide roll 21 is moved forward into pressing engagement with the guide plate 24 that has been moved behind the tying band B in confronting relation to the guide roll 21. The guide roll 21 and the guide plate 24 now grip the tying band B therebetween.
  • A cutting device 26 is disposed directly above the guide roll 21 on the second slide table 7. The cutting device 26 has a heated cutter blade 28 for cutting off the tying band B gripped between the guide roll 21 and the guide plate 24, the heated cutter blade 28 being attached to a fourth longitudinal fluid cylinder 27.
  • A chute 29 has a slot 30 (FIG. 3) into and out of which the heated cutter blade 28 is movable. The chute 29 has a slot 31 opening toward the position where the tying band B can be cut off. The chute 29 also has a discharge passage 32 for discharging the tying band B as cut off. The chute 29 also has a pair of delivery rolls 33, 34 for forcibly discharging the severed tying band B through the discharge passage 32.
  • Operation of the apparatus will hereinafter be described mainly with reference to FIGS. 5(A) through 5(H).
  • FIGS. 5(A) through 5(D) show the apparatus as viewed from above the package A, and FIGS. 5(E) through 5(H) show the apparatus as viewed from one side of the package A.
  • In the illustrated embodiment, the package A is bundled by two endless tying bands or strings B extending around the package A and having portions extending vertically under tension over one side facing the apparatus.
  • The apparatus is positioned such that the chute 29 faces one of the tying bands which is to be cut off. Then, the first slide table 4 (not shown in FIGS. 5(E) through 5(H)) is moved forward by the first longitudinal fluid cylinder 3 until the pusher l6 engages the package A, and then the first slide table 14 is stopped, as shown in FIG. 5(A). The pulling plate 19 is moved forward into engagement with the package A by the third longitudinal fluid cylinder 10, and is then stopped, as shown in FIG. 5(B). Then, the pulling plate 19 is inserted into a position behind the tying band B by forward movement of the first transverse fluid cylinder 18, as shown in FIG. 5(C). The third longitudinal fluid cylinder 10 is then operated to retract the pulling plate 19 for thereby pulling the tying band B away from the package A, leaving a space between the package A and the pulled tying band B, as shown in FIG. 5(D). Thereafter, the fourth longitudinal fluid cylinder l4 is operated to move forward the guide plate 24, and then the second transverse fluid cylinder 25 is moved forward to insert the guide plate 24 into the space behind the tying band B, as shown in FIG. 5(E). The guide roll 21 is pushed by forward movement of the second slide table 7 to press the tying band B against the guide plate 24, so that the tying band B is gripped between the guide roll 21 and the guide plate 24. At this time, the slot 31 of the chute 29 is positioned near the gripped portion of the tying band B. Then, the cutting blade 28 is moved forward by the fifth longitudinal fluid cylinder 27 to cut off the gripped tying band B, as illustrated in FIG. 5(G). Thereafter, as shown in FIG. 5(H), the guide roll 21 is rotated in a direction toward the slot 31 to feed the tying band B as it is gripped by the guide roll 21 and the guide plate 24, into the chute 29, whereupon the tying band B is discharged by the delivery rolls 33, 34 through the discharge passage 32.
  • Since the tying band B is cut off by the cutting blade 28 while the tying band B is spaced from the package A, there is no danger of damaging the package A at the time of severing the tying band B. The tying band B can be discharged by the guide roll 21 and the delivery rolls 33, 34 immediately after it is severed. Therefore, by positioning the apparatus alongside of a tying band to be cut off and removed from a package and operating the apparatus, the tying band can automatically be cut off and removed in consecutive steps. Accordingly, a tying band can be severed and removed efficiently from a package.
  • Although a certain preferred embodiment has been shown and described, it should be understood that many changes and modifications may be made therein without departing from the scope of the appended claims.

Claims (9)

  1. A method of removing an endless tying band (B) from a package (A), comprising the consecutive steps of:
          displacing a portion of the tying band (B) from the package (A) thus defining a space between said portion of the tying band (B) and the package (A);
          inserting a guide plate (24) into said space;
          pressing the tying band (B) against the guide plate (24) with a guide roll (21) to grip the tying band (B) between the guide plate (24) and the guide roll (21);
          severing the tying band (B) which has been gripped between the guide plate (24) and the guide roll (21); and
          rotating the guide roll (21) to deliver an end of the severed tying band (B) which is gripped between the guide plate (24) and the guide roll (21) for thereby removing the severed tying band (B) from the package (A).
  2. An apparatus for removing an endless tying band (B) from a package (A), comprising:
          pulling means for inserting a pulling member (19) between the tying band (B) and the package (A) to displace a portion of the tying band (B) from the package (A) thus defining a space between said portion of the tying band (B) and the package (A);
          guide plate means for inserting a guide plate (24) into said space;
          guide roll means for pressing the tying band (B) against the guide plate (24) with a guide roll (21) to grip the tying band (B) between the guide plate (24) and the guide roll (21);
          severing means moved separately from the guide roll means for severing the tying band (B) near a position in which it has been gripped between the guide plate (24) and the guide roll (21); and
          guide roll rotating means for rotating the guide roll (21) to deliver an end of the severed tying band (B).
  3. An apparatus according to claim 2, wherein said pulling means comprises said pulling member (19) in the form of a plate insertable between the tying band (B) and the package (A), a first moving device (10) for moving said pulling member (19) towards and away from a position engaging the package (A), and a second moving device (18) for moving said pulling member (19) along an outer surface of the package (A).
  4. An apparatus according to claim 2 or 3, wherein said guide plate means comprises a third moving device (14) for moving said plate (24) towards an outer surface of the package (A), and a fourth moving device (25) for moving said guide plate (24) towards said space defined between the portion of the tying band (B) displaced by the pulling means and the outer surface of the package (A).
  5. An apparatus according to any of claims 2 to 4, wherein said guide roll means comprises a fifth moving device (7) for moving said guide roll (21) to a position in which said guide roll (21) presses the tying band (B) against said guide plate (24).
  6. An apparatus according to any of claims 2 to 5, wherein said severing means comprises a cutter blade (28) and a sixth moving device (27) for moving said cutter blade (28) closely to said position.
  7. An apparatus according to any of claims 2 to 6, wherein said severing means comprises a chute (29) having a slot (31) opening towards a position in which the tying band (B) is severed, so that the severed tying band (B) will be discharged through said chute (29).
  8. An apparatus according to any of claims 2 to 7, wherein said guide roll rotating means is adapted to rotate said guide roll (21) after the tying band (B) has been gripped between said guide plate (24) and said guide roll (21).
  9. An apparatus according to claim 7 or 8, wherein said guide roll rotating means is adapted to rotate said guide roll (21) in a direction toward said slot (31) of the chute (29).
EP19870302744 1986-04-03 1987-03-30 Method of and apparatus for removing tying band Expired - Lifetime EP0240289B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP75437/86 1986-04-03
JP61075437A JPS62235037A (en) 1986-04-03 1986-04-03 Method and device for removing bundling cord of package

Publications (3)

Publication Number Publication Date
EP0240289A2 EP0240289A2 (en) 1987-10-07
EP0240289A3 EP0240289A3 (en) 1988-09-21
EP0240289B1 true EP0240289B1 (en) 1991-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870302744 Expired - Lifetime EP0240289B1 (en) 1986-04-03 1987-03-30 Method of and apparatus for removing tying band

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US (1) US4773148A (en)
EP (1) EP0240289B1 (en)
JP (1) JPS62235037A (en)
AU (1) AU580208B2 (en)
DE (1) DE3770306D1 (en)

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US4817260A (en) * 1987-12-02 1989-04-04 Martin Gordon S Method and apparatus for debanding mail bundles
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US5156516A (en) * 1988-06-29 1992-10-20 Vega Automation Device for breaking and removing a tie surrounding a bundle
FR2633587B1 (en) * 1988-06-29 1991-03-29 Vega Automation METHOD AND DEVICE FOR BREAKING AND REMOVING A LINK SURROUNDING A PACKAGE. CUT FEEDING METHOD AND APPARATUS USING THE SAME
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JP2746994B2 (en) * 1989-03-30 1998-05-06 株式会社東芝 Paper strip strip remover
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EP0395807B1 (en) * 1989-05-03 1993-08-11 Kondo Unyu-Kiko Co., Ltd. Method of and apparatus for processing wires fastening compressed wastepaper block
US5105527A (en) * 1989-05-03 1992-04-21 Kondo Unyu-Kiko Co., Ltd. Method of and apparatus for processing wires fastening compressed wastepaper block
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JP2023513668A (en) 2020-02-05 2023-04-03 マレル・サーモン・アクティエセルスカブ Apparatus, system and method for removing straps from boxes

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Also Published As

Publication number Publication date
EP0240289A3 (en) 1988-09-21
US4773148A (en) 1988-09-27
EP0240289A2 (en) 1987-10-07
AU7105187A (en) 1987-10-08
JPS62235037A (en) 1987-10-15
JPH0246456B2 (en) 1990-10-16
DE3770306D1 (en) 1991-07-04
AU580208B2 (en) 1989-01-05

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